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Secondary Offering (Details) - Seidler Equity Partners III L.P. - Secondary Offering - USD ($)
$ / shares in Units, shares in Thousands
Apr. 22, 2016
Apr. 18, 2016
Subsidiary Or Equity Method Investee [Line Items]    
Issuance of common shares (in shares) 900 6,000
Common stock shares issued, price per share $ 11.25  
Issuance of common stock, net $ 0 $ 0
Selling, General and Administrative Expenses    
Subsidiary Or Equity Method Investee [Line Items]    
Offering expenses $ 143,000